Preparing the hardware (3dc, Cascade (cnt ac-s z x – HP XP P9500 Storage User Manual
Page 151
A 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration example
shows an example of a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration.
Figure 83 Example of a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) Configuration
Preparing the hardware (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration)
lists the prerequisite hardware and
provides the storage
system settings for using Business Continuity Manager in a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J
Z) configuration.
Table 38 Prerequisite Hardware (3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) Configuration)
Remarks
Description
Item
–
One unit each for the primary and
remote sites.
Host
Only a configuration that has one
storage system for each site is allowed.
One XP12000/XP10000,
XP24000/XP20000, or XP P9500 Disk
Storage system
Array at each site (3 storage systems in
total)
The system can only operate with a path
from the primary site to the intermediate
site (forward direction).
Between the primary site and
intermediate site: Bidirectional physical
path connected by a FCP cable. (A
Link between storage
systems (physical path)
However, when operations from the
remote site or use of the Reverse Resync
reverse direction path is recommended
but not mandatory.)
Defining a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z) configuration
151